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13812064 = 257197313
BaseRepresentation
bin110100101100…
…000101100000
3221222201120221
4310230011200
512013441224
61212012424
7225254260
oct64540540
927881527
1013812064
117884232
124761114
132b27a26
141b977a0
15132c6e4
hexd2c160

13812064 has 48 divisors (see below), whose sum is σ = 31334688. Its totient is φ = 5870592.

The previous prime is 13812061. The next prime is 13812067. The reversal of 13812064 is 46021831.

It is an interprime number because it is at equal distance from previous prime (13812061) and next prime (13812067).

It is a super-2 number, since 2×138120642 = 381546223880192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13812061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43972 + ... + 44284.

It is an arithmetic number, because the mean of its divisors is an integer number (652806).

Almost surely, 213812064 is an apocalyptic number.

13812064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13812064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15667344).

13812064 is an abundant number, since it is smaller than the sum of its proper divisors (17522624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13812064 is a wasteful number, since it uses less digits than its factorization.

13812064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13812064 is about 3716.4585292991. The cubic root of 13812064 is about 239.9309060363.

Adding to 13812064 its reverse (46021831), we get a palindrome (59833895).

The spelling of 13812064 in words is "thirteen million, eight hundred twelve thousand, sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 197 224 313 394 626 788 1252 1379 1576 2191 2504 2758 3152 4382 5008 5516 6304 8764 10016 11032 17528 22064 35056 44128 61661 70112 123322 246644 431627 493288 863254 986576 1726508 1973152 3453016 6906032 13812064